Answer:
4
Explanation:
To find f(-1), we can plug -1 into the equation in place of x and simplify:
f(-1) = 4(-1)² + 9(-1) + 9
f(-1) = 4 + (-9) + 9
f(-1) = 4 - 9 + 9
f(-1) = 4 - 0
f(-1) = 4
Therefore, f(-1) = 4.
8.6m questions
11.3m answers